Replacing tensioning device for alternator drive belt (B48 and B46 engine) (Cooper S and John Cooper Works)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2021 MINI Cooper, 2020 MINI Cooper, 2019 MINI Cooper, 2018 MINI Cooper, and 2017 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Tensioning device is subject to spring bias (injury hazard!).

Preliminary work needed:

Remove DRIVE BELT .

Removal:

Release screws (1) from belt tensioner (2).

Remove belt tensioner (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Install belt tensioner (2).

Tighten down screws (1).

Tightening torque: 11 28 1AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work:

Install DRIVE BELT .